php - php url explode

Question

I am wanting to grab my product from my url. For example:

http://www.website.com/product-category/iphone

I am wanting to grab the iphone and that is fine with my code but I have a dropdown to sort products and which clicked will change the url and add a query like:

http://www.website.com/product-category/iphone?orderby=popularity
http://www.website.com/product-category/iphone?orderby=new
http://www.website.com/product-category/iphone?orderby=price
http://www.website.com/product-category/iphone?orderby=price-desc

My current code is

$r = $_SERVER['REQUEST_URI']; 
$r = explode('/', $r);
$r = array_filter($r);
$r = array_merge($r, array()); 

$endofurl = $r[1];
echo $endofurl;

How is it possible to grab the iphone section all the time.

Cheers

Answer 1

您可以使用 PHP 的parse_url()函数为您拆分 URL，然后访问path参数并获取它的结尾：

$r = parse_url($url);
$endofurl = substr($r['path'], strrpos($r['path'], '/'));

/这将解析 URL，然后从路径中的 last-found 开始获取 URL 的“子字符串” 。

您也可以explode('/')像当前在路径上那样使用：

$path = explode($r['path']);
$endofurl = $path[count($path) - 1];

更新（使用strrchr()，@x4rf41 指出）：
获取字符串结尾的一种更短的方法，与substr()+相反strrpos()是使用strrchr()：

$endofurl = strrchr($r['path'], '/');

如果您利用parse_url()'s 选项参数，您还可以使用like $r = parse_url($url, PHP_URL_PATH);来获取路径。PHP_URL_PATH

或者，最短的方法：

$endofurl = strrchr(parse_url($url, PHP_URL_PATH), '/');

Answer 2

如果要检索数组的最后一个元素，可以使用end函数。您的其余代码似乎正在运行。

$endofurl = end($r);

您还可以利用parse_url和strrchr函数使其更简洁：

$endofurl = strrchr(parse_url($url, PHP_URL_PATH), '/');

Answer 3

刚刚想通了。现在可以使用

$r = $_SERVER['REQUEST_URI']; 
$r = explode('/', $r);
$r = array_filter($r);
$r = array_merge($r, array()); 
$r = preg_replace('/\?.*/', '', $r);

$endofurl = $r[1];
echo $endofurl;